Abstract: Competitiveness is a main factor of enterprise derelopment, and competitiveness evaluation is the key method and index to measure an enterprise's industrial and commerdal value In this paper, we reviewed the recent studies on enterprise cornpetitiveness theories, analyzing their measuring methods, information collection and evaluation system. Bas on compa the world's most influential competitiveness evaluation methods and their ranking, especially on iron and steel industry, we developed a new steel enterprises competitiveness model, which has considered all factors and real situation of Chinese iron and steel industry.